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1. List down FIVE (5) properties of refrigerant RI34a. (5 marks, Ci) 2. List FIVE (5) advantages of R134a refrigerant gas which makes it

1. List down FIVE (5) properties of refrigerant RI34a. (5 marks, Ci) 2. List FIVE (5) advantages of R134a refrigerant gas which makes it much suitable for R12 (5 marks, CI) replacement. 3. List the differences of refrigerant R12 compare to refrigerant R134a in term of reliability. (5 marks, CI) 4. List down FIVE (5) safety precautions while handling refrigerant R12 refrigerant gas. (5 marks, CI)

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